If you want to watch this movie as part of the still relatively small catalogue of the slightly trending actor Dong-seok Ma (often playing a charismatic tough guy), you are likely to be disappointed and very bored. The movie is mostly about personality-less and rather pathetic teenagers (though I suppose they are partly supposed to be 20, or "college-age"), whereas Dong-seok Ma plays an unsympathetic tough guy, pressuring them into work and this and that. Completely uninteresting, without any likeable characters or actors (the movie made me realize how utterly personality-less teenagers are), slightly hypocritical advertising (see the movie poster).
